Noise reduction structure of screw air compressor

By designing a noise reduction structure in the screw air compressor, including shock absorption mechanism and isolation mechanism, and using springs and damping devices to absorb vibration, the problem of noise pollution of the screw air compressor is solved, and effective noise isolation and vibration reduction are achieved, improving Operating environment.

CN222276956UActive Publication Date: 2024-12-31HUIZHOU HEJU TECH CO LTD
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Patent Information

Application Number
CN202420631398.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-31
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The existing screw air compressors produce large production noise during the inhalation process, which seriously pollutes the working environment of the operators and may have a negative impact on their health.

Method used

A noise reduction structure of a screw air compressor is designed, including a base, a shock absorbing mechanism and an isolation mechanism. By setting up a shock absorbing mechanism at the bottom of the base plate and a sound insulation plate inside the protective cover, it reduces the propagation of noise and vibration, and uses springs and upper The damping devices of the plate and lower plate absorb vibration energy, and adjust the elastic distance of the spring through the movable frame to optimize the noise reduction effect.

Benefits of technology

It effectively reduces the propagation of noise, reduces the vibration generated by the equipment during work, affects the surrounding environment and the equipment itself, and improves the noise reduction effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a noise reduction structure of a screw air compressor, relates to the technical field of screw air compressors, and provides the following scheme aiming at the problems that the existing screw air compressor can generate larger production noise and seriously pollutes the working environment of operators in the region, the noise reduction structure comprises a base, a damping mechanism is arranged in the base, and the damping mechanism is arranged in the base. A damping mechanism is arranged in the protective cover, a bottom plate is arranged above the damping mechanism, one end of the upper portion of the bottom plate is connected with an isolation mechanism, the isolation mechanism is of a rotating placement structure, and a protective frame is arranged in the middle of the upper portion of the bottom plate. Vibration generated in the working process of a machine is reduced, vibration energy can be effectively absorbed and dispersed, and the influence on the surrounding environment and equipment is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw air compressors, in particular to a noise reduction structure of a screw air compressor. Background Art

[0002] An air compressor is a device used to compress gas. It is a basic product of industrial modernization. It is a device that converts the mechanical energy of the original motive into gas pressure energy and is a device that generates air pressure for compressed air.

[0003] However, during the air compressor suction process, the existing screw air compressor will generate a lot of production noise, which seriously pollutes the working environment of the operators in the area. Being in it for a long time may have a negative impact on the health of the operators. Utility Model Content

[0004] The utility model provides a noise reduction structure for a screw air compressor, which solves the existing problems.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a noise reduction structure of a screw air compressor, comprising a base, the interior of the base is a hollow groove structure, and a shock absorbing mechanism is arranged inside the base, the shock absorbing mechanism is a vibration isolation structure, the shock absorbing mechanism is used to reduce the vibration and noise propagation of the screw air compressor during operation, a bottom plate is arranged above the shock absorbing mechanism, and an isolation mechanism is connected to the upper end of the bottom plate, the isolation mechanism is a rotating placement structure, the isolation mechanism is used to absorb and reduce noise, and a protective frame is arranged in the upper middle part of the bottom plate.

[0006] Preferably, the shock absorbing mechanism includes a support plate, four upper plates are arranged at equal intervals below the support plate, a lower plate is connected to the outside of the lower part of the upper plate, a piston is connected to the middle part above the lower plate, a spring is arranged outside the piston, and square plates are arranged above the spring and outside the piston.

[0007] Preferably, two screw rods are symmetrically provided at the upper end of the support plate, and one end of the screw rod is connected to a motor, a movable frame is provided at the outer end of the screw rod, an extension rod is provided at the outer side of the movable frame, a rotating rod is connected inside the extension rod, fixed rivets are provided on both sides of the square plate, and the outer end of the fixed rivet is rotatably connected to the other end of the rotating rod.

[0008] Preferably, a support plate is connected below the bottom plate, and magnetic grooves are symmetrically provided at both ends above the bottom plate, and the magnetic grooves are in contact with the isolation mechanism.

[0009] Preferably, the isolation mechanism includes an arc block, two of which are provided, and the two arc blocks are connected to the two ends above the bottom plate, a first round rod is connected between the two arc blocks, the outer end of the first round rod is rotatably connected to a protective cover, and magnetic blocks are provided on both sides of the lower end of the protective cover.

[0010] Preferably, arc plates are provided above both sides of the protective cover, and a second round rod is connected between the middle parts of the other ends of the two arc plates, a baffle is connected to the outside of the second round rod, a ventilation hole is opened at a corner above the protective cover, and a sound insulation board is provided inside the protective cover.

[0011] The beneficial effects of the utility model are as follows: the device is provided with a protective cover at the outer end of the overall device, and a sound insulation board is provided inside the protective cover to isolate the noise inside the cover as much as possible, thereby reducing the impact on the surrounding environment and effectively reducing the spread of noise; the device is provided with a shock absorbing mechanism at the bottom of the bottom plate to reduce the vibration generated by the machine during operation, and the spring inside the shock absorbing mechanism cooperates with the damping device formed by the upper plate, the lower plate and the square plate to effectively absorb and disperse the vibration energy and reduce the impact on the surrounding environment and the equipment itself; the device moves through the movable frame, drives the rotating rod to rotate and push the square plate, and changes the elastic distance of the spring. The smaller the amplitude of the spring vibration, the better the shock absorbing effect. On the contrary, the shock absorbing effect will be worse. The device can adjust the elastic distance of the spring according to the vibration amplitude of the device to improve the noise reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the shock absorbing mechanism of the utility model.

[0014] Figure 3 This is a disassembled diagram of the shock absorbing mechanism of the utility model.

[0015] Figure 4 It is a front view of the shock absorbing mechanism of the utility model.

[0016] Figure 5 It is a schematic diagram of the isolation mechanism of the utility model.

[0017] Figure 6 This is a schematic diagram of the isolation mechanism of the utility model from another perspective.

[0018] Numbers in the figure: 1. base; 2. shock absorbing mechanism; 201. support plate; 202. upper plate; 203. lower plate; 204. piston; 205. spring; 206. square plate; 207. screw rod; 208. motor; 209. movable frame; 210. rotating rod; 211. fixed rivet; 3. bottom plate; 301. magnetic groove; 4. isolation mechanism; 401. arc block; 402. first round rod; 403. protective cover; 404. magnetic block; 405. arc plate; 406. second round rod; 407. baffle; 408. sound insulation board; 5. protective frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 6 A noise reduction structure for a screw air compressor includes a base 1. The interior of the base 1 is a hollow groove structure, and a shock absorbing mechanism 2 is arranged inside the base 1. The shock absorbing mechanism 2 is a vibration isolation structure. The shock absorbing mechanism 2 is used to reduce the vibration and noise propagation of the screw air compressor during operation. A bottom plate 3 is arranged above the shock absorbing mechanism 2, and an isolation mechanism 4 is connected to one end of the top of the bottom plate 3. The isolation mechanism 4 is a rotating placement structure. The isolation mechanism 4 is used to absorb and reduce noise. A protective frame 5 is arranged in the middle above the bottom plate 3.

[0021] refer to Figure 2 , Figure 3 The shock absorbing mechanism 2 includes a support plate 201, four upper plates 202 are arranged at equal intervals below the support plate 201, a lower plate 203 is connected to the outside of the lower plate 202, a piston 204 is connected to the middle of the upper part of the lower plate 203, a spring 205 is arranged outside the piston 204, and a square plate 206 is arranged above the spring 205 and outside the piston 204, two screw rods 207 are symmetrically arranged at the upper end of the support plate 201, and one end of the screw rod 207 is connected to a motor 208, and the screw rod A movable frame 209 is provided at the outer end of 207, an extension rod is provided at the outer side of the movable frame 209, a rotating rod 210 is connected inside the extension rod, fixed rivets 211 are provided on both sides of the square plate 206, and the outer end of the fixed rivet 211 is rotatably connected to the other end of the rotating rod 210, the shock absorbing mechanism 2 is supported below the bottom plate 3, and according to the vibration amplitude, the screw rod 207 is rotated to adjust the movable frame 209, and the square plate 206 is pushed by the rotating rod 210, and the vibration amplitude of the spring 205 is adjusted for shock absorption.

[0022] refer to Figure 5 , Figure 6The bottom of the bottom plate 3 is connected to a support plate 201, and the upper two ends of the bottom plate 3 are symmetrically provided with magnetic grooves 301, which are in contact with the isolation mechanism 4. The isolation mechanism 4 includes an arc block 401, and the arc blocks 401 are provided with two arc blocks 401, and the two arc blocks 401 are connected to the upper two ends of the bottom plate 3. A first round rod 402 is connected between the two arc blocks 401, and a protective cover 403 is rotatably connected to the outer end of the first round rod 402. Magnetic grooves 301 are provided on both sides of the lower end of the protective cover 403. Block 404, arc plates 405 are arranged above both sides of the protective cover 403, and a second round rod 406 is connected between the middle parts of the other ends of the two arc plates 405, and a baffle 407 is connected to the outside of the second round rod 406. A vent is opened at a corner above the protective cover 403, and a sound insulation board 408 is arranged inside the protective cover 403. The protective cover 403 is covered around the periphery of the device by engaging the magnetic block 404 with the magnetic slot 301, and cooperates with the internal sound insulation board 408 to reduce the spread of noise.

[0023] Working principle: First, the protective cover 403 is rotated through the first round rod 402, and the magnetic block 404 at the lower end of the protective cover 403 is engaged with the magnetic groove 301, so that it completely covers the device, isolates the noise in the cover, and cooperates with the sound insulation board 408 set inside to reduce the spread of noise; the device reduces the vibration generated by the machine during operation by setting a shock absorbing mechanism 2 at the bottom of the bottom plate 3, starts the motor 208, rotates the screw rod 207, and makes the movable frame 209 on the screw rod 207 start to move along the screw rod 207, and rotates the rotating rod 210 to push the square plate 206 to move the square plate 206 up and down. The spring 205 is arranged between the square plate 206 and the lower plate 203. When the piston 204 rebounds under force, it will be stuck on the square plate 206, and cooperate with the piston 204 to limit the amplitude of the vibration of the spring 205. When the square plate 206 moves downward, the amplitude of the vibration of the spring 205 is limited to a lesser extent, but the shock absorption effect will be better. On the contrary, the shock absorption effect will be reduced.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A noise reduction structure for a screw air compressor, comprising a base (1), characterized in that: The interior of the base (1) is a hollow groove structure, and a shock absorbing mechanism (2) is arranged inside the base (1). The shock absorbing mechanism (2) is a vibration isolation structure. The shock absorbing mechanism (2) is used to reduce the vibration and noise transmission during the operation of the screw air compressor. A bottom plate (3) is arranged above the shock absorbing mechanism (2), and an isolation mechanism (4) is connected to the upper end of the bottom plate (3). The isolation mechanism (4) is a rotating placement structure. The isolation mechanism (4) is used to absorb and reduce noise. A protective frame (5) is arranged in the middle of the upper part of the bottom plate (3).

2. The noise reduction structure of a screw air compressor according to claim 1, characterized in that: The shock absorbing mechanism (2) comprises a supporting plate (201), four upper plates (202) are arranged at equal intervals below the supporting plate (201), a lower plate (203) is connected to the outside below the upper plate (202), a piston (204) is connected to the middle part above the lower plate (203), a spring (205) is arranged outside the piston (204), and a square plate (206) is arranged above the spring (205) and outside the piston (204).

3. The noise reduction structure of a screw air compressor according to claim 2, characterized in that: Two screw rods (207) are symmetrically arranged at the upper end of the support plate (201), and one end of the screw rod (207) is connected to a motor (208). A movable frame (209) is arranged at the outer end of the screw rod (207), an extension rod is arranged outside the movable frame (209), and a rotating rod (210) is connected inside the extension rod. Fixed rivets (211) are arranged on both sides of the square plate (206), and the outer end of the fixed rivet (211) is rotatably connected to the other end of the rotating rod (210).

4. The noise reduction structure of a screw air compressor according to claim 1, characterized in that: A support plate (201) is connected to the bottom of the bottom plate (3), and magnetic grooves (301) are symmetrically provided at both ends of the top of the bottom plate (3), and the magnetic grooves (301) are in contact with the isolation mechanism (4).

5. The noise reduction structure of a screw air compressor according to claim 1, characterized in that: The isolation mechanism (4) comprises an arc block (401), two arc blocks (401) are provided, and the two arc blocks (401) are connected to the two ends above the bottom plate (3), a first round rod (402) is connected between the two arc blocks (401), the outer end of the first round rod (402) is rotatably connected to a protective cover (403), and magnetic blocks (404) are provided on both sides of the lower end of the protective cover (403).

6. The noise reduction structure of a screw air compressor according to claim 5, characterized in that: Arc plates (405) are arranged above both sides of the protective cover (403), and a second round rod (406) is connected between the middle parts of the other ends of the two arc plates (405), and a baffle (407) is connected to the outside of the second round rod (406). A ventilation hole is opened at a corner above the protective cover (403), and a sound insulation board (408) is arranged inside the protective cover (403).